Ok Heres My Story. I Found A iPhone 3GS 32 Gig MC Model, And Couldnt Return It To Its Owner (Sadly). I Have AT&T And Wanted To Use It As My Own. I Want To Know If I Put My Sim Card In It And Call And Text On It, Will They Charge Me For Every Txt And Call..?? Because I Know AT&T Requires You To Have The Data Plan, Which Is 30$ + (Bullshit), And I Know Others Who Got Around That, So They Pay The Regular Fee. I Turned Off My 3G Service Also. Is There A Way I Can Still Use It WITHOUT The Data Plan? Other Than Getting A Prepaid Sim (Last Resort)